satisfy

Concise Oxford English Dictionary © 2008 Oxford University Press:
satisfy/ˈsatɪsfʌɪ/

▶verb (satisfies, satisfying, satisfied)

• 1 meet the expectations, needs, or desires of.

  ■ fulfil (a desire or need).

• 2 provide with adequate information about or proof of something.

• 3 comply with (a condition, obligation, or demand).

  ■ pay off (a debt or creditor).

• 4 Mathematics (of a quantity) make (an equation) true.

– derivatives
satisfiability noun,
satisfiable adjective,
satisfied adjective,
satisfying adjective,
satisfyingly adverb.

– origin ME: from OFr. satisfier, formed irregularly from L. satisfacere ‘to content’, from satis ‘enough’ + facere ‘make’.